/**
* Fetches grade_item info and grades from the referenced course
*
* Returned structure is
* object(
* ->grades = array[userid] of object(->userid ->rawgrade ->feedback ->feedbackformat)
* ->grademax
* ->grademin
* ->itemname
* ...
* )
*
* @access public
* @param int $subcourseid ID of subcourse instance
* @param int $refcourseid ID of referenced course
* @param bool|\boolan $gradeitemonly If true, fetch only grade item info without grades
* @return object Object containing grades array and gradeitem info
*/
function subcourse_fetch_refgrades($subcourseid, $refcourseid, $gradeitemonly = false)
{
global $CFG;
$fetchedfields = subcourse_get_fetched_item_fields();
if (!function_exists('grade_update')) {
//workaround for buggy PHP versions
require_once $CFG->libdir . '/gradelib.php';
}
$return = new stdClass();
$return->grades = array();
if (empty($refcourseid)) {
return false;
}
$refgradeitem = grade_item::fetch_course_item($refcourseid);
// get grade_item info
foreach ($fetchedfields as $property) {
if (!empty($refgradeitem->{$property})) {
$return->{$property} = $refgradeitem->{$property};
} else {
$return->{$property} = null;
}
}
// if the remote grade_item is non-global scale, do not fetch grades - they can't be used
if ($refgradeitem->gradetype == GRADE_TYPE_SCALE && !subcourse_is_global_scale($refgradeitem->scaleid)) {
$gradeitemonly = true;
$return->localremotescale = true;
}
if (!$gradeitemonly) {
// get grades
$cm = get_coursemodule_from_instance("subcourse", $subcourseid);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$users = get_users_by_capability($context, 'mod/subcourse:begraded', 'u.id,u.lastname', 'u.lastname', '', '', '', '', false, true);
foreach ($users as $user) {
$grade = new grade_grade(array('itemid' => $refgradeitem->id, 'userid' => $user->id));
$grade->grade_item =& $refgradeitem;
$return->grades[$user->id]->userid = $user->id;
$return->grades[$user->id]->rawgrade = $grade->finalgrade;
$return->grades[$user->id]->feedback = $grade->feedback;
$return->grades[$user->id]->feedbackformat = $grade->feedbackformat;
}
}
return $return;
}
/**
* Fetches grade_item info and grades from the referenced course
*
* Returned structure is
* object(
* ->grades = array[userid] of object(->userid ->rawgrade ->feedback ->feedbackformat)
* ->grademax
* ->grademin
* ->itemname
* ...
* )
*
* @access public
* @param int $subcourseid ID of subcourse instance
* @param int $refcourseid ID of referenced course
* @param bool $gradeitemonly If true, fetch only grade item info without grades
* @return stdClass containing grades array and gradeitem info
*/
function subcourse_fetch_refgrades($subcourseid, $refcourseid, $gradeitemonly = false)
{
if (empty($refcourseid)) {
throw new coding_exception('Empty referenced course id');
}
$fetchedfields = subcourse_get_fetched_item_fields();
$return = new stdClass();
$return->grades = array();
$refgradeitem = grade_item::fetch_course_item($refcourseid);
// get grade_item info
foreach ($fetchedfields as $property) {
if (!empty($refgradeitem->{$property})) {
$return->{$property} = $refgradeitem->{$property};
} else {
$return->{$property} = null;
}
}
// if the remote grade_item is non-global scale, do not fetch grades - they can't be used
if ($refgradeitem->gradetype == GRADE_TYPE_SCALE && !subcourse_is_global_scale($refgradeitem->scaleid)) {
$gradeitemonly = true;
debugging(get_string('errlocalremotescale', 'subcourse'));
$return->localremotescale = true;
}
if (!$gradeitemonly) {
// get grades
$cm = get_coursemodule_from_instance("subcourse", $subcourseid);
$context = context_module::instance($cm->id);
$users = get_users_by_capability($context, 'mod/subcourse:begraded', 'u.id,u.lastname', 'u.lastname', '', '', '', '', false, true);
foreach ($users as $user) {
$grade = new grade_grade(array('itemid' => $refgradeitem->id, 'userid' => $user->id));
$grade->grade_item =& $refgradeitem;
$return->grades[$user->id] = new stdClass();
$return->grades[$user->id]->userid = $user->id;
$return->grades[$user->id]->rawgrade = $grade->finalgrade;
$return->grades[$user->id]->feedback = $grade->feedback;
$return->grades[$user->id]->feedbackformat = $grade->feedbackformat;
}
}
return $return;
}